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<h2><a href="local_closure_goog_testing_ui_rendererasserts.js.html">rendererasserts.js</a></h2>

<pre class="prettyprint lang-js">
<a name="line1"></a>// Copyright 2009 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>/**
<a name="line16"></a> * @fileoverview Additional asserts for testing ControlRenderers.
<a name="line17"></a> *
<a name="line18"></a> * @author mkretzschmar@google.com (Martin Kretzschmar)
<a name="line19"></a> */
<a name="line20"></a>
<a name="line21"></a>goog.provide(&#39;goog.testing.ui.rendererasserts&#39;);
<a name="line22"></a>
<a name="line23"></a>goog.require(&#39;goog.testing.asserts&#39;);
<a name="line24"></a>
<a name="line25"></a>
<a name="line26"></a>/**
<a name="line27"></a> * Assert that a control renderer constructor doesn&#39;t call getCssClass.
<a name="line28"></a> *
<a name="line29"></a> * @param {?function(new:goog.ui.ControlRenderer)} rendererClassUnderTest The
<a name="line30"></a> *     renderer constructor to test.
<a name="line31"></a> */
<a name="line32"></a>goog.testing.ui.rendererasserts.assertNoGetCssClassCallsInConstructor =
<a name="line33"></a>    function(rendererClassUnderTest) {
<a name="line34"></a>  var getCssClassCalls = 0;
<a name="line35"></a>
<a name="line36"></a>  /**
<a name="line37"></a>   * @constructor
<a name="line38"></a>   * @extends {goog.ui.ControlRenderer}
<a name="line39"></a>   * @final
<a name="line40"></a>   */
<a name="line41"></a>  function TestControlRenderer() {
<a name="line42"></a>    rendererClassUnderTest.call(this);
<a name="line43"></a>  }
<a name="line44"></a>  goog.inherits(TestControlRenderer, rendererClassUnderTest);
<a name="line45"></a>
<a name="line46"></a>  /** @override */
<a name="line47"></a>  TestControlRenderer.prototype.getCssClass = function() {
<a name="line48"></a>    getCssClassCalls++;
<a name="line49"></a>    return TestControlRenderer.superClass_.getCssClass.call(this);
<a name="line50"></a>  };
<a name="line51"></a>
<a name="line52"></a>  var testControlRenderer = new TestControlRenderer();
<a name="line53"></a>
<a name="line54"></a>  assertEquals(&#39;Constructors should not call getCssClass, &#39; +
<a name="line55"></a>      &#39;getCustomRenderer must be able to override it post construction.&#39;,
<a name="line56"></a>      0, getCssClassCalls);
<a name="line57"></a>};
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